ASTM A335 P9 Chromium-Molybdenum Alloy Studded Finned Tubes for High-Temperature Furnace Applications
Product Description
ASTM A335 P9 Chromium-Molybdenum Alloy Studded Finned Tubes are high-performance tubes designed for demanding high-temperature applications in furnaces, boilers, and heat exchangers. Manufactured to meet ASTM A335 P9 standards, these tubes feature studded fins created through advanced high-frequency welding (HFW) technology, ensuring superior heat transfer efficiency and durability.
Material & Composition
ASTM A335 P9 tubes are made from chromium-molybdenum alloy steel, which provides excellent resistance to oxidation, corrosion, and high-temperature creep. The precise chemical composition ensures optimal performance in extreme conditions.
| Element | Composition(%) |
| Carbon(C) | 0.15 max |
| Manganese (Mn) | 0.30 - 0.60 |
| Silicon (Si) | 0.50 max |
| Chromium (Cr) | 8.00 - 10.00 |
| Molybdenum (Mo) | 0.90 - 1.10 |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
Mechanical Properties
These studded finned tubes exhibit exceptional mechanical properties, making them ideal for high-temperature and high-pressure environments.
| Property | Value |
| Tensile Strength | 415 MPa min |
| Yield Strength | 205 MPa min |
| Elongation | 30% min |
| Hardness | 179 HB max |
Manufacturing Process
Our ASTM A335 P9 studded finned tubes are produced using high-frequency welding (HFW) technology, ensuring precise fin attachment and excellent thermal conductivity. The seamless base tube is manufactured through hot extrusion and cold drawing, guaranteeing uniform structure and dimensional accuracy.
Applications
- High-temperature furnaces
- Boiler systems in power plants
- Petrochemical processing equipment
- Industrial heat exchangers
Product Advantages
- Enhanced Heat Transfer: Studded fins maximize surface area for efficient heat exchange.
- High-Temperature Resistance: Performs reliably at temperatures up to 600°C.
- Corrosion & Oxidation Resistance: Ideal for harsh industrial environments.
- Durable Construction: High-frequency welding ensures long-lasting performance.
- Customizable: Available in various sizes, lengths, and fin configurations.
FAQ
Q: What standards do these tubes comply with?
A: They meet ASTM A335 P9 standards and are suitable for high-temperature applications.
Q: Can these tubes be customized?
A: Yes, we offer customization in size, length, fin type, and stud arrangement to meet specific requirements.
Q: What is the lead time for orders?
A: Lead times vary based on order volume and customization, but we strive to deliver within 3-5 weeks.
Q: Are these tubes suitable for corrosive environments?
A: Yes, the chromium-molybdenum alloy provides excellent resistance to corrosion and oxidation.
About Yuhong Holding Group Co., Ltd
Yuhong Holding Group Co., Ltd is a leading manufacturer of finned tubes and seamless heat exchanger tubes, with over 20 years of export experience. We have supplied high-quality products to 80 countries and rank among the top 5 finned tube exporters in China.
Our state-of-the-art facility spans 20,000 square meters and is equipped with 55 production lines and a skilled workforce of 110+ employees. We specialize in producing seamless heat exchanger tubes, boiler tubes, and finned tubes, utilizing advanced technology to ensure the highest product quality and service standards.
Visit our website http://www.steelfintube.com to explore our full range of products and solutions tailored to your industrial needs.
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ASTM A335 P9 Chromium-Molybdenum Alloy Studded Finned Tubes for High-Temperature Furnace Applications Images
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